Can't print to my laserjet 1100.

Try the HP WEB site for the driver.
You can download the HP printer drivers from their supportWEB site. Please click on this link and select your model printer to download:-http://welcome.hp.com/country/us/en/support.html

Determine the current firmware version 1. Press Menu . 2. Press the down arrow to highlight INFORMATION, and then press OK. 3. Press the down arrow to highlight PRINT CONFIGURATION, and then press OK to print. The firmware datecode is listed on the Configuration page in the section called Device Information. The firmware datecode has this format: YYYYMMDD XX.***.X. The first string of numbers is the date, where YYYY represents the year, MM represents the month, and DD represents the date. For example, a firmware datecode of that begins with 20061125 represents November 25, 2006. Download new firmware from the HP Web site To find the most recent firmware upgrade for the product, go to www.hp.com/go/ ljp4010series_software or www.hp.com/go/ljp4510series_software. This page provides instructions for downloading the new firmware version.

Upgrading the firmware
The MFP has remote firmware update (RFU) capability. Use the information in this section to
upgrade the MFP firmware. The overall process involves the following steps:
1 Determine the current level of firmware that is installed on the MFP.
2 Go to the HP Web site and find out whether a firmware update is available. If an update is
available, download the latest firmware to your computer.
3 Transfer the new firmware from your computer to the MFP.
Determining the current level of firmware
To determine the current level of firmware, view the configuration information on the MFP control panel. To view the configuration information, follow these instructions.
1 Press MENU.
2 Touch INFORMATION.
3 Touch PRINT CONFIGURATION. The configuration page prints.
4 The firmware datecode is listed in the section called Device Information. The firmware
datecode has this format: YYYYMMDD XX.XXX.X. The first string of numbers is the date, where
YYYY represents the year, MM represents the month, and DD represents the date. For example, a firmware datecode of that begins with 20040225 represents February 25, 2004.
Downloading the new firmware from the HP Web site
To find the most recent firmware upgrade for the MFP, go to www.hp.com/go/lj4345mfp_software.
This page provides instructions for downloading the new firmware version.
Transferring the new firmware to the MFP
Use one of the following methods to update the firmware.
Using FTP to upgrade the firmware on a network connection
NOTE The MFP can receive an .RFU file update as long as it is in a "ready" state.
The elapsed time for an update depends on the I/O transfer time, as well as the time that it takes for the MFP to reinitialize. The I/O transfer time depends on a number of things, including the speed of the host computer that is sending the update. If the remote firmware update process is interrupted before the firmware is downloaded (while Receiving Upgrade appears on the control-panel display), the firmware file must be sent again. If power is lost during the flash DIMM update (while the Performing Upgrade message appears on the control-panel display), the update is interrupted and the message Resend Upgrade appears (in English only) on the control-panel display. In this case, you must send the upgrade by using the parallel port. Finally, any jobs that are ahead of the RFU job in the queue are completed before the update is processed.
Follow these instructions to perform the upgrade by using FTP.
To upgrade the firmware on a network connection by using FTP
1 Take note of the IP address on the HP Jetdirect page. The HP Jetdirect page is the second page that prints when you print the configuration page.
NOTE Before upgrading the firmware, make sure that the MFP is not in Sleep mode.
Also make sure that any error messages are cleared from the control-panel display.
2 Open an MS-DOS command prompt on your computer.
3 Type: ftp <TCP/IP ADDRESS>. For example, if the TCP/IP address is 192.168.0.90, type ftp
192.168.0.90.
4 Press Enter on the keyboard.
5 When prompted for the user name, press Enter.
6 When prompted for the password, press Enter.
7 Type bin at the command prompt.
8 Press Enter. The message 200 Types set to I, Using binary mode to transfer files appears in
the command window.
9 Type put <filename> where <filename> is the name of the .RFU file that was downloaded
from the Web, including the path. For example, type put C:\LJ\4345FW.RFU, and then press
Enter.
NOTE If the file name or path includes a space, you must enclose the file name or path
in quotation marks. For example, type put "C:\MY DOCUMENTS\LJ\4345FW.RFU"
The following series of messages appears in the command window:
? 200 PORT command successful
? 150 Opening BINARY mode data connection
? 226 Ready
? 226 Processing Job
? 226 Transfer complete
Then, a message that contains the transfer-speed information appears.
10 The download process begins and the firmware is updated on the MFP. This can take
approximately five minutes. Let the process finish without further interaction with the MFP or
computer.
NOTE The MFP automatically turns off and then on again after processing the upgrade.
11 At the command prompt, type: bye to exit the ftp command.
12 At the command prompt, type: exit to return to the Windows interface.

Using MS-DOS commands to upgrade the firmware
To update the firmware by using a network connection, follow these instructions.
1 From a command prompt or in an MS-DOS window, type the following: copy /B <FILENAME>
\\<COMPUTERNAME>\<SHARENAME>, where <FILENAME> is the name of the .RFU file
(including the path), <COMPUTERNAME> is the name of the computer from which the MFP is
being shared, and <SHARENAME> is the MFP share name. For example: C:\>copy /b C:
\9200fW.RFU \\YOUR_SERVER\YOUR_COMPUTER.
NOTE If the file name or path includes a space, you must enclose the file name or path
in quotation marks. For example, type: C:\>copy /b "C:\MY DOCUMENTS\3500FW.RFU" \\YOUR_SERVER\YOUR_COMPUTER.
2 Press Enter on the keyboard. The control panel shows a message that indicates the progress of the firmware upgrade. At the end of the upgrade process, the control panel shows the Ready
message . The message 1 file(s) copied appears on the computer screen.

The error is due to corrupt firmware and you need to reinstall it.
HP M2727NFFirmware & Instructions
Please visit the above link and Download the firmware.
"The HP Easy Firmware Upgrade utility provides the HP MFP firmware .rfu bundle and a user friendly method to transfer the .rfu file to the MFP all contained in a self-extracting executable for the Windows operating systems"

Please visit the above link and read all the instructions/ details and upgrade the firmware.

Extract of the instructions for Firmware Update from Hp Official Site is as under: -
Process:

1. Download the flash firmware updater file from HP.com to the PC desktop.
2. Turn the printer off and then back on to clear main printer memory.
3. Double click on the M1522_MFP_Series_FW_Update-20100902.exe. An HP firmware update window will open.
4. Select the appropriate MFP in the dialog window. If you assigned a different name to the HP MFP, choose the name that represents the correct printer.
5. Click on "Send Firmware" when ready to proceed.
6. The progress bar will begin to move to the right indicating information being transferred.
7. DO NOT power cycle the product or the PC during this process or the product may become unstable and or unusable without further attention from HP. The flash firmware update can take up to 5 minutes to complete. Please be patient.
8. During the product flash firmware update, the display on the product control panel will display "Erasing - Programming - Complete - Hewlett-Packard - Ready - Initializing - Ready". Once the download is finished the printer will be in the Ready state.
9. At the conclusion of the firmware update, the dialog window will show a smiley face. Click on exit.
10. The flash firmware update process is complete.
11. If it is desired to verify the update, use the control panel reports menu under setup to print a configuration report. The configuration report will show the current firmware revision in the Product information block, Firmware Datecode: 20100902.

Hope it helps! Good Luck! Thanks for using Fixya!
CreativeTECH

I found this on the HP website:

HP LaserJet M2727 Multifunction Printer Series - 49 Error Message Is Displayed While Faxing ISSUE: The printer control panel will be displaying 49 service error while sending faxes. The receiving fax will be lost, and the printer will display the same error even after reboot. SOLUTION: Performing a factory reset and a firmware upgrade is the only solution for this issue. Step 1: Performing a factory reset Restoring the factory-set defaults returns all of the settings to the factory defaults, and it also clears the fax header name and phone number. CAUTION: This procedure clears fax numbers and names that are associated with one-touch keys and speed-dial codes, and deletes any pages that are stored in the memory. The procedure then automatically restarts the product. Perform the following steps to restore the factory-set defaults: 1. On the product control panel, press Setup . 2. Use the arrow buttons to select Service , and then press OK . 3. Use the arrow buttons to select Restore defaults , and then press OK . The product automatically restarts. Step 2: Firmware upgrade After coming to ready, upgrade the printer firmware from the HP website. The issue can be fixed with any of the firmware upgrade available now. Firmware version 20080505 and higher versions have the fix. You can download firmware version 20080612 from the HP LaserJet M2727 Firmware Update 20080612 webpage. Click here to go to the HP LaserJet M2727 Firmware Update 20080612 webpage (http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=18972&prodSeriesId=3377075&swItem=ma-55531-3&prodNameId=3377076&swEnvOID=228&swLang=8&taskId=135&mode=4&idx=3) . The preceding steps will resolve the issue.

You will need to apply the firmware to the machine. I've attached the link to hp site for you to download the firmware file as well. Below the link is the directions on how to accomplish this, as well you can see the same directions on via the link provided

http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=18972&prodSeriesId=3558902&prodNameId=3558903&swEnvOID=228&swLang=8&mode=2&taskId=135&swItem=t2-85206-1

Firmware Update Notes:

1. The Firmware Update Utility uses the USB connection to the printer.
2. The HP Color LaserJet CM1312 MFP print driver software must be installed prior to using this utility.
3. The HP Color LaserJet CM1312 MFP printer must be on and in a READY state as shown by the LCD display on the control panel and remain powered on during the entire firmware update process.
4. Depending on the processor speed of your PC, the firmware update process may complete on the printer before the update status progress bar in the flash firmware update utility on the PC screen completes, this is normal.
5. Once the update process has started, do not use your PC for any other activity until the process is complete.
6. Do not power cycle the product or the PC until the firmware update process is complete.

Process:

1. Download the flash firmware updater file from HP.com to the PC desktop.
2. Turn the printer off and then back on to clear main printer memory.
3. Double click on the file CM1312_MFP_Series_FW_Update-20100616.exe flash firmware update utility file. An HP firmware update window will open.
4. Select the appropriate CM1312 MFP driver in the dialog window. If you assigned a different name to the HP CM1312 MFP, choose the name that represents the correct printer.
5. Click on "Send Firmware" when ready to proceed.
6. The progress bar will begin to move to the right indicating information being transferred.
7. DO NOT power cycle the product or the PC during this process or the product may become unstable and or unusable without further attention from HP. The flash firmware update can take up to 5 minutes to complete. Please be patient.
8. During the product flash firmware update, the display on the product control panel will display "Printing Document - Erasing - Programming - Complete - Hewlett-Packard - Ready - Initializing - Ready". Once the download is finished the printer will be in the Ready state.
9. At the conclusion of the firmware update, the dialog window will show a smiley face. Click on exit.
10. If it is desired to verify the update, use the control panel reports menu under setup to print a configuration report. The configuration report will show the current firmware revision in the Product information block, Firmware Datecode: 20100616

Sounds like you have a software or driver conflict. Go to hp.com Support & Drivers and check to make sure you have the correct driver for Vista. Even if you do, try uninstalling and reinstalling the driver.

Also, while at hp, check for the latest Firmware update. Go to the printers menu and scroll to INFORMATION (or REPORTS). Select that sub-menu, then scroll to PRINT CONFIGURATION PAGE. Select thi and print out the page. Look for what is beside Firmware Datecode. If it is older than what is on the hp website, print out the instructions for installing the update.

If the adf is not working on the 3050 check the firmware, print out a configuration report and verify the firmware datecode, it is under the product info portion of the report. You can see which is the latest firmware by checking on the hp.com website under support and drivers, after the firmware is updated, check the rollers. open the door up and see if the roller is lifter off of the cork piece of not try resetting the roller.

Al

Scanner Bulb Error message is received as a result of the HP LaserJet 3300mfp series product scanner?s inability to find the home reference point.

Perform the following steps to troubleshoot the issue:

1. Remove and replace the power cord from the unit.
2. Wait approximately 35 seconds for the scanning assembly to "walk out" and then quickly remove the plug again.
3. Repeat steps 1 and 2, three to four times until the head moves approximately 1 inch away from its normal resting place.
4. Replace the plug and let the product fully finish the boot cycle
5. Please ensure that the current firmware update (20021018W) is installed. You can download and install the same from the link given below:

http://welcome.hp.com/country/us/eng/support.html

Please follow the steps provided below to download the driver:

1. Click on the option "download drivers and software".
2. Enter "LaserJet 3300mfp" in the search box and press enter key.
3. Select Cross operating system (BIOS, Firmware, Diagnostics, etc).
4. Click HP LaserJet 3300mfp firmware update for windows.


HP LaserJet 3300 MFP Series Products - Firmware Update Utility Installation
Security level: HP and Customer Viewable
___________________________________________________


NOTE: To ensure an easy and successful upgrade, it is essential to read and follow the instructions below.

CAUTION: Disconnect all devices except the HP LaserJet 3300 that are directly connected to the computer before performing the Firmware upgrade.


Make a copy of any document either through the automatic document feeder (ADF) or on the flatbed. Save the original and the copy to make a comparison after the firmware update.

Print a Configuration page to confirm the existing firmware date code.Firmware version
Firmware datecode

E
20020424

F
20020612

F-wide
20020612W

G
20021018

G-wide
20021018W



Press the Menu/Enter button.

Press the < or > button until Reports appears in the control panel display, then press the Menu/Enter button.

Press the < or > button until Configuration Report appears in the control panel display and press Menu/Enter. The product will exit the menu settings and print the report.

Close all applications and TSRs before running the firmware update.

Simultaneously, press and release the Ctrl, Alt, and Delete keys to open the Close Program window.

Highlight one item and click End Task.

Repeat this procedure until all programs are closed, except for Explorer and Systray.

If using an HP LaserJet 3330 (the fax model), disconnect the phone line from the device to prevent interruption from an incoming fax.

Verify that the computer has 50 MB of free disk space in order to successfully run the Firmware Update Utility.

The utility can run using either a parallel or a USB connection (USB is not supported in Windows 95 or NT):

If using a USB cable, it is important to first install the HP LaserJet 3300 MFP series software before running the utility (the USB ports and connection are established during the software install).

If using a parallel cable, simply attach the cable and the utility will find the connection automatically.

Save the setup of the unit if a large number of speed dials or other special configurations have been entered.


NOTE: A speed dial report could be printed instead, if the printer is not connected to a computer or if the software is not installed.

Select Start, Programs, HP LaserJet 33xx, Tools, then HP LaserJet Device Configuration to open the HP LaserJet 3300 device configuration.

Click Save to File on the lower left of the General tab.

Select a destination and a file name to save the configuration. Write down the information for retrieval later.

Proceed with the upgrade.

Restart (reboot) the HP LaserJet 33xx device.
Download the HP LaserJet 3300 Firmware Update for Windows from the HP Web site. Click here to download the Utility from www.hp.com.

Begin the upgrade.

Double-click the file named lj3300fwutilitywin-en.exe. When the file opens, click the Start button and allow the utility to run uninterrupted. The product display will initially read Printing Document. After about a minute, the product display will read Updating. Several minutes later the display will change to Completed. The display will then change to Scanner Bulb Warming Up as the new firmware initializes.

Finally, the display will show Ready in the top-left corner. Depending upon the operating system on the PC, the software might prompt Please reboot your Computer. Close the screens by clicking OK.

Reboot the PC, if necessary.

Take the original document that was copied at the beginning and copy it again to compare results. If further assistance is needed, contact HP at 1-800-HPINVENT (1-800-474-6836).

Print a new Configuration page to confirm the new firmware date code.
If speed dial settings were backed up, check to see if they remain in the machine. If they are now blank, restore the configuration with the following steps.

Select Start, Programs, HP LaserJet 33xx, Tools, then HP LaserJet Device Configuration to open the HP LaserJet 3300 Device Configuration.

Click Retrieve from File on the lower left of the General tab.

Select a destination and a file name to open (the file that was saved previously; see Step 7 above).

Click Open and wait for the file to download and reconfigure the product.

Click OK to close the HP LaserJet Device Configuration.

From the service manual:

A critical firmware error has occurred. This type of error can be caused by invalid print commands, corrupt data, or invalid
operations. In some instances, electrical noise in the cable can corrupt data during transmission to the MFP. Other causes include poor quality parallel cables, poor connections, or specific software programs.

To fix:

1 Turn the MFP off, and then turn the
MFP on.
2 Upgrade the firmware.
3 Try printing a job from a different software program. If the job prints, go back to the first program and try printing a different file. If the message appears only with a certain software program or print job, contact the software vendor for assistance.
4 If the message persists when using different software programs and attempting specific print jobs, disconnect all of the cables that
connect the MFP to the network or a computer.
5 Turn the MFP off.
6 Remove all DIMMs and flash-memory cards. Do not remove the firmware memory card that is in slot 1.
7 Remove all of the EIO devices.
8 Turn the MFP on.
9 If the error message disappears, reinstall each DIMM, flash-memory card, and EIO device individually, making sure to turn the MFP power off and then on again as you install each device.
10 Replace the component that caused the error message.
11 If the error persists, replace the formatter.

To upgrade firmware:

The MFP has remote firmware update (RFU) capability. Use the information in this section to upgrade the MFP firmware. The overall process involves the following steps:
1 Determine the current level of firmware that is installed on the MFP.
2 Go to the HP Web site and find out whether a firmware update is available. If an update is available, download the latest firmware to your computer.
3 Transfer the new firmware from your computer to the MFP.

Determining the current level of firmware

To determine the current level of firmware, view the configuration information on the MFP control panel. To view the configuration information, follow these instructions.
1 Press MENU.
2 Touch INFORMATION.
3 Touch PRINT CONFIGURATION. The configuration page prints.
4 The firmware datecode is listed in the section called Device Information. The firmware datecode has this format: YYYYMMDD XX.XXX.X. The first string of numbers is the date, where YYYY represents the year, MM represents the month, and DD represents the date. For example, a firmware datecode of that begins with 20040225 represents February 25, 2004.

Downloading the new firmware from the HP Web site

To find the most recent firmware upgrade for the MFP, go to www.hp.com/go/lj4345mfp_software. This page provides instructions for downloading the new firmware version.

Transferring the new firmware to the MFP

This procedure requires that you install HP Web Jetadmin Version 7.0 or later on the computer. See Using HP Web Jetadmin software. Complete the following steps to update a single device through HP Web Jetadmin after downloading the .RFU file from the HP Web site.
1 Start HP Web Jetadmin.
2 Open the Device Management folder in the drop-down list in the Navigation panel. Navigate to the Device Lists folder.
3 Expand the Device Lists folder and select All Devices. Locate the MFP in the list of devices, and then click to select it.
If you need to upgrade the firmware for multiple HP LaserJet 4345mfps, select all of them by pressing the Ctrl key as you click the name of each MFP.
4 Locate the drop-down box for Device Tools in the upper-right corner of the window. Select Update Printer Firmware from the action list.
5 If the name of the .RFU file is not listed in the All Available images box, click Browse in the Upload New Firmware Image dialog box and navigate to the location of the .RFU file that you
downloaded from the Web at the start of this procedure. If the filename is listed, select it.
6 Click Upload to move the .RFU file from your hard drive to the HP Web Jetadmin server. After the upload is complete, the browser window refreshes.
7 Select the .RFU file from the Printer Firmware Update drop-down menu.
8 Click Update Firmware. HP Web Jetadmin sends the selected .RFU file to the MFP. The control panel shows messages that indicate the progress of the upgrade. At the end of the upgrade
process, the control panel shows the Ready message.

Using HP Web Jetadmin software

HP Web Jetadmin is a Web-based software solution for remotely installing, monitoring, and troubleshooting network-connected peripherals. The intuitive browser interface simplifies crossplatform
management of a wide range of devices, including HP and non-HP printers. Management is proactive, allowing network administrators the ability to resolve printer issues before users are affected. Download this free, enhanced-management software at www.hp.com/go/webjetadmin_software.
To obtain plug-ins to HP Web Jetadmin, click plug-ins, and then click the download link that is next to the name of the plug-in that you want. The HP Web Jetadmin software can automatically notify
you when new plug-ins are available. On the Product Update page, follow the directions to automatically connect to the HP Web site.
If installed on a host server, HP Web Jetadmin is available to any client through a supported Web browser, such as Microsoft Internet Explorer 6.0 for Windows or Netscape Navigator 7.1 for Linux. Browse to the HP Web Jetadmin host.

Replacing the formatter

1 Slide the formatter cover toward the left side of the MFP and remove it.



2 Remove two thumb screws (callout 1).



3 Slide the formatter toward the left side of the MFP, and then remove it.



NOTE Dislodging the formatter might require considerable force.



I hope all this information helps! Thanks and please take a moment to give this solution a rating of fixya.